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Assuming ideal gas behavior, which of the following gases would have the lowest density at standard temperature and pressure?
A. N2B. SF6C. CF2Cl2D. CO2E. Kr
the signs of the unsquared wave functions are usually shown in plots of the squared functions. why is this so
The dissociation of solid silver chloride in water to produce silver ions and chloride ions has an equilibrium constant of 1.8 x10-18. Based on the magnitude of the equilibrium constant, is silver chloride very soluble in water? Explain your answe..
Calculate(a) the molar concentration of the ammonia and (b) the mass/mass % concentration of ammonia (17.04g/mol). given a solution density of 0.990 g/mL, HCI (aq) + NH3(aq) -right arrow NH4Cl(aq)
How would your calculated value of Kc compare to the actual value if the determination of absorbance were done on a solution that had been placed in a cell that was wet on the inside with rinse water. Explain.
discribe the points of rutherford's model for the nuclear atom and how he tested this model. based on his expiriments, how did ruthford envision the structure of an atom?
Which alkyl halide reacted fastest with silver nitrate in ethanol: tert-butyl bromide or tert-butyl chloride. Explain how the nature of the leaving group affects the rate in the SN1 reaction.
calculate the potential of a platinium electrode immersed in a solution prepared by mixing 25.00ml of 0.0918 M SnCl2
Joseph Priestley prepared oxygen by heating mercury(II) oxide. The compound HgO is stable at room temperature but decomposes into its elements (Hg and O2) at high temperatures. What conclusions can be drawn concerning DH and DS for this decomposit..
when 142 grams of calcium flouride are reacted with an excess of sodium bromide, calculate the mass of calcium bromide formed.
For a chemical system at equilibrium, the forward and reverse rates of reaction are equal. 3. For an aqueous chemical system at equilibrium, the concentrations of products divided by the concentrations of reactants equals one.
Write the mechanism for the conversion of acetic anhydride to sodium acetate on treatment with aqueous sodium hydroxide
Determine which gases remain after the reaction goes to completion and calculate their partial pressures. The temperature at the beginnning and the end of the experiment is 22 °C.
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